May 10, 2008 PortableChangingRoom.com Progress Update Jeremy Ryan cart32 shopping cart, case studies, google, keywords, pay-per-click campaigns, portablechangingroom.com, rankings, search engine optimization, seo, yahoo 0 It?s been almost a year since I started portablechangingroom.com. Last year, I made several posts following the progress of the site?s performance as I developed and marketed the site.